NEC UX5000 Hardware Manual page 247

Chapter 6
Power Supply
AC Power Supply
Dedicated 15 Amp circuit
Power Requirements: 120 VAC @ 15A Controlling/Base KSU
Input Voltage: 100VAC to 240VAC (Rated Voltage: 115VAC / 120VAC)
Input Current: 3A (at 100VAC) to 1.5A (at 240VAC) per power supply
Output Voltage Type Supplied: +3.3VDC / +5VDC / -24VDC / -48VDC / -27.3VDC
Frequency: 45Hz - 66Hz (Rated frequency: 50/60Hz)
Phase and Wire: Single Phase 2 Line Type
Grounding Requirements: No. 14 AWG copper wire
Feeding Voltage
Digital/OPX/DID: -48V
SLT: 25mA / -28V
ADA/APR Adapters, 16LK Module, 60-Button DSS, Digital and IP Phones:
Electrical Standard: FCC Part15 Class B, FCC Part68
Safety Standard: UL/CSA 60950
BCH/BHA Adapters:
Electrical Standard: FCC Part15, Sub Part C, FCC Part68
Safety Standard: UL/CSA 60950
Chapter 6 - Specifications and Parts List
UX5000 Electrical Specifications
(Charging Voltage for Battery Backup
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